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 # Duplicacy: A new generation cloud backup tool based on Lock-Free Deduplication
 
-Duplicacy works with major cloud storage providers and at the same time offers all essential features of a modern backup tool:
+Duplicacy supports major cloud storage providers (Amazon S3, Googld Cloud Storage, Microsoft Azure, Dropbox, and Blaze) and at the same time offers all essential features of a modern backup tool:
 
 * Incremental backup: only back up what has been changed
-* Full snapshot : even if each backup is incremental, it must appear to be a full snapshot independent of others
+* Full snapshot : although each backup is incremental, it must appear to be a full snapshot independent of others
 * Deduplication: identical files must be stored as one copy (file-level deduplication), and identical parts from different files must be stored as one copy (block-level deduplication)
 * Encryption: encrypt not only file contents but also file paths, sizes, times, etc.
 * Deletion: every backup can be deleted independently without affecting others
-* Concurrency: multiple clients can back up to the same storage at the same time
+* Concurrent access: multiple clients can back up to the same storage at the same time
 
 The key idea behind Duplicacy is a technique called **Lock-Free Deduplication**.  There are three elements of lock-free deduplication:
 
 * Use variable-size chunking algorithm to split files into chunks
 * Store each chunk in the storage using a file name derived from its hash, and rely on the file system API to manage chunks without using a centralized indexing database
-* A *two-step fossil collection* algorithm to remove chunks that become unreferenced after a backup is deleted
+* Apply a *two-step fossil collection* algorithm to remove chunks that become unreferenced after a backup is deleted
+
+## Getting Started
+
+```sh
+$ cd path/to/your/dir
+$ duplicacy init mywork sftp://192.168.1.100/Duplicacy
+```
+
+```sh
+$ duplicacy backup
+```
+
+```sh
+$ duplicacy list
+```
+
+```sh
+$ duplicacy add s3 mywork s3://amazon.com/duplicacy/mywork
+```
+
+```sh
+$ duplicacy copy -r 1-2 -to s3
+```
+
+
+
 
-Getting Started